Home / 70,270.40-97,053.76-51,235.20

Finding the Fourth Proportional to 70,270.40, 97,053.76 and 51,235.20

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Solution

The fourth proportional to 70,270.40, 97,053.76 and 51,235.20 is: 70,763.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,270.40 : 97,053.76 = 51,235.20 : x
  2. Step 2: Convert to fraction form
    70,270.40/97,053.76 = 51,235.20/x
  3. Step 3: Cross multiply
    70,270.40x = 97,053.76 × 51,235.20
  4. Step 4: Simplify right side
    70,270.40x = 4,972,568,804.35
  5. Step 5: Solve for x
    x = 4,972,568,804.35/70,270.40
  6. Step 6: Final answer
    x = 70,763.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.